Analysis
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max time kernel
149s -
max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
01-06-2024 01:55
Static task
static1
Behavioral task
behavioral1
Sample
df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832.jar
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832.jar
Resource
win10v2004-20240426-en
General
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Target
df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832.jar
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Size
481KB
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MD5
6861ee8001a8c404dd330a4f20c7ce77
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SHA1
f126178828470606f76df369c1e42c1839792105
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SHA256
df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832
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SHA512
3e1b7d215365c60782a440f0d6d7bc957ca01fa662f32aa888c3992652596b6c5a968648bd1976c2f21a220732a246b2911a8c11a60b47b32ffddc43803b0d5b
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SSDEEP
12288:efllQKeQSPEf7AtTsF5Rb5hwQC1uQ3pZWEWKcA:edlQl4sTQta/WEF
Malware Config
Signatures
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Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832.jar java.exe -
Loads dropped DLL 1 IoCs
pid Process 2612 java.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 4768 icacls.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832.jar\"" java.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 35 ip-api.com -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1072 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 3260 WMIC.exe Token: SeSecurityPrivilege 3260 WMIC.exe Token: SeTakeOwnershipPrivilege 3260 WMIC.exe Token: SeLoadDriverPrivilege 3260 WMIC.exe Token: SeSystemProfilePrivilege 3260 WMIC.exe Token: SeSystemtimePrivilege 3260 WMIC.exe Token: SeProfSingleProcessPrivilege 3260 WMIC.exe Token: SeIncBasePriorityPrivilege 3260 WMIC.exe Token: SeCreatePagefilePrivilege 3260 WMIC.exe Token: SeBackupPrivilege 3260 WMIC.exe Token: SeRestorePrivilege 3260 WMIC.exe Token: SeShutdownPrivilege 3260 WMIC.exe Token: SeDebugPrivilege 3260 WMIC.exe Token: SeSystemEnvironmentPrivilege 3260 WMIC.exe Token: SeRemoteShutdownPrivilege 3260 WMIC.exe Token: SeUndockPrivilege 3260 WMIC.exe Token: SeManageVolumePrivilege 3260 WMIC.exe Token: 33 3260 WMIC.exe Token: 34 3260 WMIC.exe Token: 35 3260 WMIC.exe Token: 36 3260 WMIC.exe Token: SeIncreaseQuotaPrivilege 3260 WMIC.exe Token: SeSecurityPrivilege 3260 WMIC.exe Token: SeTakeOwnershipPrivilege 3260 WMIC.exe Token: SeLoadDriverPrivilege 3260 WMIC.exe Token: SeSystemProfilePrivilege 3260 WMIC.exe Token: SeSystemtimePrivilege 3260 WMIC.exe Token: SeProfSingleProcessPrivilege 3260 WMIC.exe Token: SeIncBasePriorityPrivilege 3260 WMIC.exe Token: SeCreatePagefilePrivilege 3260 WMIC.exe Token: SeBackupPrivilege 3260 WMIC.exe Token: SeRestorePrivilege 3260 WMIC.exe Token: SeShutdownPrivilege 3260 WMIC.exe Token: SeDebugPrivilege 3260 WMIC.exe Token: SeSystemEnvironmentPrivilege 3260 WMIC.exe Token: SeRemoteShutdownPrivilege 3260 WMIC.exe Token: SeUndockPrivilege 3260 WMIC.exe Token: SeManageVolumePrivilege 3260 WMIC.exe Token: 33 3260 WMIC.exe Token: 34 3260 WMIC.exe Token: 35 3260 WMIC.exe Token: 36 3260 WMIC.exe Token: SeIncreaseQuotaPrivilege 4708 WMIC.exe Token: SeSecurityPrivilege 4708 WMIC.exe Token: SeTakeOwnershipPrivilege 4708 WMIC.exe Token: SeLoadDriverPrivilege 4708 WMIC.exe Token: SeSystemProfilePrivilege 4708 WMIC.exe Token: SeSystemtimePrivilege 4708 WMIC.exe Token: SeProfSingleProcessPrivilege 4708 WMIC.exe Token: SeIncBasePriorityPrivilege 4708 WMIC.exe Token: SeCreatePagefilePrivilege 4708 WMIC.exe Token: SeBackupPrivilege 4708 WMIC.exe Token: SeRestorePrivilege 4708 WMIC.exe Token: SeShutdownPrivilege 4708 WMIC.exe Token: SeDebugPrivilege 4708 WMIC.exe Token: SeSystemEnvironmentPrivilege 4708 WMIC.exe Token: SeRemoteShutdownPrivilege 4708 WMIC.exe Token: SeUndockPrivilege 4708 WMIC.exe Token: SeManageVolumePrivilege 4708 WMIC.exe Token: 33 4708 WMIC.exe Token: 34 4708 WMIC.exe Token: 35 4708 WMIC.exe Token: 36 4708 WMIC.exe Token: SeIncreaseQuotaPrivilege 4708 WMIC.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 1496 wrote to memory of 4768 1496 java.exe 81 PID 1496 wrote to memory of 4768 1496 java.exe 81 PID 1496 wrote to memory of 1084 1496 java.exe 90 PID 1496 wrote to memory of 1084 1496 java.exe 90 PID 1084 wrote to memory of 232 1084 java.exe 92 PID 1084 wrote to memory of 232 1084 java.exe 92 PID 1084 wrote to memory of 2612 1084 java.exe 94 PID 1084 wrote to memory of 2612 1084 java.exe 94 PID 232 wrote to memory of 1072 232 cmd.exe 96 PID 232 wrote to memory of 1072 232 cmd.exe 96 PID 2612 wrote to memory of 4916 2612 java.exe 97 PID 2612 wrote to memory of 4916 2612 java.exe 97 PID 4916 wrote to memory of 3260 4916 cmd.exe 99 PID 4916 wrote to memory of 3260 4916 cmd.exe 99 PID 2612 wrote to memory of 4640 2612 java.exe 100 PID 2612 wrote to memory of 4640 2612 java.exe 100 PID 4640 wrote to memory of 4708 4640 cmd.exe 102 PID 4640 wrote to memory of 4708 4640 cmd.exe 102 PID 2612 wrote to memory of 5084 2612 java.exe 103 PID 2612 wrote to memory of 5084 2612 java.exe 103 PID 5084 wrote to memory of 2908 5084 cmd.exe 105 PID 5084 wrote to memory of 2908 5084 cmd.exe 105 PID 2612 wrote to memory of 2680 2612 java.exe 106 PID 2612 wrote to memory of 2680 2612 java.exe 106 PID 2680 wrote to memory of 1564 2680 cmd.exe 108 PID 2680 wrote to memory of 1564 2680 cmd.exe 108 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832.jar1⤵
- Suspicious use of WriteProcessMemory
PID:1496 -
C:\Windows\system32\icacls.exeC:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M2⤵
- Modifies file permissions
PID:4768
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C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1084 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:232 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832.jar"4⤵
- Creates scheduled task(s)
PID:1072
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C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832.jar"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2612 -
C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"4⤵
- Suspicious use of WriteProcessMemory
PID:4916 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3260
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"4⤵
- Suspicious use of WriteProcessMemory
PID:4640 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4708
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"4⤵
- Suspicious use of WriteProcessMemory
PID:5084 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:2908
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list"4⤵
- Suspicious use of WriteProcessMemory
PID:2680 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:1564
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
46B
MD5f2b7a80f49d66f422289bcb7c50227c8
SHA170f638f2247c8eaf0ec37359645385135cd3d0b3
SHA256644647ef53efcfa63f9c32668ae32c236d3fafb10fced040437be8e0435a03ae
SHA51220b6a58ff22f4c05fa39cecd2187943de52dd098b9a5c7df6ca910c18f2359886763928822288b0d1a7c3a866b8c2046cdec5c993192b76d1dce83e511ae08a0
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3906287020-2915474608-1755617787-1000\83aa4cc77f591dfc2374580bbd95f6ba_215f2dba-ef84-4dd1-b127-5f514a0c233b
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
481KB
MD56861ee8001a8c404dd330a4f20c7ce77
SHA1f126178828470606f76df369c1e42c1839792105
SHA256df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832
SHA5123e1b7d215365c60782a440f0d6d7bc957ca01fa662f32aa888c3992652596b6c5a968648bd1976c2f21a220732a246b2911a8c11a60b47b32ffddc43803b0d5b
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Filesize
1.4MB
MD5acfb5b5fd9ee10bf69497792fd469f85
SHA10e0845217c4907822403912ad6828d8e0b256208
SHA256b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
SHA512e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa
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Filesize
2.6MB
MD52f4a99c2758e72ee2b59a73586a2322f
SHA1af38e7c4d0fc73c23ecd785443705bfdee5b90bf
SHA25624d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5
SHA512b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494
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Filesize
4.1MB
MD5b33387e15ab150a7bf560abdc73c3bec
SHA166b8075784131f578ef893fd7674273f709b9a4c
SHA2562eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491
SHA51225cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279
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Filesize
772KB
MD5e1aa38a1e78a76a6de73efae136cdb3a
SHA1c463da71871f780b2e2e5dba115d43953b537daf
SHA2562ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609
SHA512fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d